Only if they are naturalized American citizens. If they are US citizens by birth (i.e. either parent was a US citizen or they were born on US soil), then it will require a constitutional amendment to strip them of their US citizenship.
Best you could do is call them "enemy combatants" and ship them off to Guantanamo.
Only if they are naturalized American citizens. If they are US citizens by birth (i.e. either parent was a US citizen or they were born on US soil), then it will require a constitutional amendment to strip them of their US citizenship.
Best you could do is call them "enemy combatants" and ship them off to Guantanamo.